44641814643 has 12 divisors (see below), whose sum is σ = 64759373640. Its totient is φ = 29633477856.

The previous prime is 44641814599. The next prime is 44641814653. The reversal of 44641814643 is 34641814644.

44641814643 is a `hidden beast` number, since 4 + 4 + 6 + 4 + 181 + 464 + 3 = 666.

It is not a de Polignac number, because 44641814643 - 2⁸ = 44641814387 is a prime.

It is a super-2 number, since 2×44641814643² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44641814653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10642113 + ... + 10646306.

It is an arithmetic number, because the mean of its divisors is an integer number (5396614470).

Almost surely, 2^44641814643 is an apocalyptic number.

44641814643 is a deficient number, since it is larger than the sum of its proper divisors (20117558997).

44641814643 is a wasteful number, since it uses less digits than its factorization.

44641814643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21288658 (or 21288655 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

Subtracting from 44641814643 its reverse (34641814644), we obtain a palindrome (9999999999).

The spelling of 44641814643 in words is "forty-four billion, six hundred forty-one million, eight hundred fourteen thousand, six hundred forty-three".